DE3469777D1 - Electro-hydraulic actuator for turbine valves - Google Patents

Electro-hydraulic actuator for turbine valves

Info

Publication number
DE3469777D1
DE3469777D1 DE8484105238T DE3469777T DE3469777D1 DE 3469777 D1 DE3469777 D1 DE 3469777D1 DE 8484105238 T DE8484105238 T DE 8484105238T DE 3469777 T DE3469777 T DE 3469777T DE 3469777 D1 DE3469777 D1 DE 3469777D1
Authority
DE
Germany
Prior art keywords
electro
hydraulic actuator
turbine valves
turbine
valves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8484105238T
Other languages
German (de)
English (en)
Inventor
Jaroslav Masek
Franz Suter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4245402&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3469777(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Application granted granted Critical
Publication of DE3469777D1 publication Critical patent/DE3469777D1/de
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18—Combined units comprising both motor and pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
    • F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
    • F01D17/26—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical fluid, e.g. hydraulic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/87981—Common actuator

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Turbines (AREA)
  • Fluid-Pressure Circuits (AREA)
DE8484105238T 1983-05-30 1984-05-09 Electro-hydraulic actuator for turbine valves Expired DE3469777D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH295583 1983-05-30

Publications (1)

Publication Number Publication Date
DE3469777D1 true DE3469777D1 (en) 1988-04-14

Family

ID=4245402

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484105238T Expired DE3469777D1 (en) 1983-05-30 1984-05-09 Electro-hydraulic actuator for turbine valves

Country Status (7)

Country Link
US (1) US4589444A (enrdf_load_stackoverflow)
EP (1) EP0127027B1 (enrdf_load_stackoverflow)
JP (1) JPS59231108A (enrdf_load_stackoverflow)
CS (1) CS244819B2 (enrdf_load_stackoverflow)
DE (1) DE3469777D1 (enrdf_load_stackoverflow)
PL (1) PL145034B1 (enrdf_load_stackoverflow)
YU (1) YU43361B (enrdf_load_stackoverflow)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH678968A5 (enrdf_load_stackoverflow) * 1989-09-28 1991-11-29 Asea Brown Boveri
US5137253A (en) * 1989-12-01 1992-08-11 Asea Brown Boveri Ltd. Actuator
CH681380A5 (enrdf_load_stackoverflow) * 1990-04-09 1993-03-15 Asea Brown Boveri
US5269141A (en) * 1990-06-18 1993-12-14 Asea Brown Boveri Ltd. Hydraulic safety and regulating system
CH683017A5 (de) * 1990-06-18 1993-12-31 Asea Brown Boveri Elektrohydraulischer Stellantrieb.
DE4320937A1 (de) * 1993-06-24 1995-01-05 Abb Management Ag Stellantrieb für ein Regelventil
DE19636746A1 (de) * 1996-09-10 1998-03-12 Siemens Ag Ventilkombination für eine Turbine, insbesondere eine Dampfturbine
DE10058560A1 (de) * 2000-11-24 2002-06-13 Voith Turbo Kg Elektrohydraulischer Stellantrieb
DE102004042891B3 (de) * 2004-08-31 2005-10-06 Hydac System Gmbh Sicherheitsschaltung für medienbetriebene Verbraucher und Verfahren zum Betrieb derselben
ITMI20082339A1 (it) * 2008-12-30 2010-06-30 Ansaldo Energia Spa Impianto per la produzione di energia elettrica
CN101629496B (zh) * 2009-07-30 2011-08-17 杭州和利时自动化有限公司 一种孤网运行汽轮机数字电液控制系统
CN102950804A (zh) * 2012-11-19 2013-03-06 无锡市京锡冶金液压机电有限公司 一种可实现快速换向的高速冲床液压系统连接方法
CN102922771A (zh) * 2012-11-19 2013-02-13 无锡市京锡冶金液压机电有限公司 一种高速冲床负载控制双压力系统连接方法
CN103511004B (zh) * 2013-09-17 2015-05-13 上海新力机器厂 闭式电液执行器及其组合
JP6352781B2 (ja) * 2014-11-26 2018-07-04 三菱日立パワーシステムズ株式会社 蒸気弁用の油圧駆動装置、組合せ蒸気弁及び蒸気タービン
DE102014226672B3 (de) * 2014-12-19 2015-12-24 Voith Patent Gmbh Stellantrieb für ein Regelventil, insbesondere Dampfturbinenregelventil und Verfahren zum Betreiben desselben
DE102014226666B3 (de) 2014-12-19 2015-12-24 Voith Patent Gmbh Stellantrieb für ein Regelventil, insbesondere Dampfturbinenregelventil und Verfahren zum Betreiben desselben
DE102016102387A1 (de) * 2015-07-31 2017-02-02 Voith Patent Gmbh Hydraulischer Antrieb zum Ausführen einer linearen Bewegung
DE102015221311A1 (de) * 2015-10-30 2017-05-04 Siemens Aktiengesellschaft Turbine mit Schnellschluss- und Regelventilen
DE102017131004A1 (de) * 2017-12-21 2019-06-27 Moog Gmbh Stellantrieb mit hydraulischem Abflussverstärker
CN109404065B (zh) * 2018-10-12 2021-12-17 上海华电电力发展有限公司 防止主机汽门遮断电磁阀故障引起机组跳闸的控制方法
US12012860B2 (en) * 2019-03-27 2024-06-18 Mesa Associates, Inc. Self contained hydraulic lock apparatus
JP7227845B2 (ja) * 2019-05-14 2023-02-22 株式会社東芝 蒸気弁駆動装置、蒸気弁装置および蒸気タービンプラント
CN110345113B (zh) * 2019-08-13 2025-02-07 国能浙江北仑第一发电有限公司 一种电站旁路控制油增压系统
US20230383672A1 (en) * 2022-05-26 2023-11-30 General Electric Company System and method for hydraulically actuating main and bypass valves of a steam turbine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741262A (en) * 1950-11-24 1956-04-10 Exxon Research Engineering Co Apparatus for controlling and releasing pressure
US3603083A (en) * 1970-02-16 1971-09-07 Laval Turbine Hydraulic actuator
FR2232226A5 (enrdf_load_stackoverflow) * 1973-05-28 1974-12-27 Poclain Sa
FR2247112A5 (enrdf_load_stackoverflow) * 1973-10-03 1975-05-02 Poclain Sa
FR2260013B1 (enrdf_load_stackoverflow) * 1974-02-04 1976-10-08 Poclain Sa
US4147325A (en) * 1977-03-29 1979-04-03 Combustion Engineering, Inc. Hydraulic control assembly
US4193733A (en) * 1978-05-17 1980-03-18 Harnischfeger Corporation Hydraulic excavator machine having self-contained electrohydraulic power units
US4247077A (en) * 1979-06-20 1981-01-27 Automatic Switch Company Slow-opening valve operated by a solenoid pump
US4294284A (en) * 1979-11-13 1981-10-13 Smith International, Inc. Fail-safe, non-pressure locking gate valve
DE3019626C2 (de) * 1980-05-22 1984-06-20 Kraftwerk Union AG, 4330 Mülheim Elektrohydraulischer Stellantrieb für Ventile
DE3019602C2 (de) * 1980-05-22 1984-10-11 Kraftwerk Union AG, 4330 Mülheim Elektrohydraulischer Stellantrieb für Turbinenventile
US4368520A (en) * 1980-09-29 1983-01-11 Westinghouse Electric Corp. Steam turbine generator control system

Also Published As

Publication number Publication date
EP0127027B1 (de) 1988-03-09
CS394484A2 (en) 1985-08-15
YU43361B (en) 1989-06-30
JPS59231108A (ja) 1984-12-25
CS244819B2 (en) 1986-08-14
JPH0472042B2 (enrdf_load_stackoverflow) 1992-11-17
EP0127027A1 (de) 1984-12-05
PL247906A1 (en) 1985-03-12
PL145034B1 (en) 1988-07-30
US4589444A (en) 1986-05-20
YU85884A (en) 1987-12-31

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation